APPENDIX
B
Manual No. 016-3001-015 Rev. C 245
A ppendi x B
Calculating the
Calibration Values
Speed Cal
Raven Industries recommends the following values for the initial speed cal:
These values are usually a good starting point and will generally yield adequate results; however, the speed cal
should still be refined for each vehicle.
Note: The GPS speed over CANbus feature is only available with specific Raven speed sense nodes.
This feature utilizes NMEA speed over ground data transmitted over the CAN network which
eliminates the need for a separate, external speed sensor.
Using the Calibration Assistance
1. Make sure any section switches are turned OFF before powering the field computer on.
2. Touch within the Product Control area on the main screen.
Sensor Type Used with English Metric
Radar/GPS
External Raven GPS
Receiver
785 199
GPS Speed over CANbus 1000 1000
Raven Radar 598 152
Wheel
Wheel Magnets 1000 254
Speedometer Drive Speed
Sensor
612 155
NOTICE
When using the GPS speed over CANbus
feature, no refining or adjustment is necessary
or recommended to the speed cal value. Losing
GPS signal for more than a second will also
result in loss of the CAN speed signal which
may affect product application in progress.
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